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Cake day: 2023年6月13日

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  • It doesn’t make sense that we couldn’t see it and the particles that could explain it seemed like they were invented just to justify dark matter

    It always seemed like a natural assumption to me: the particles we know about were discovered because they interact with each other via at least one other force in addition to gravity. But there’s no other force common to all particles, so why not expect particles that only interact via gravity? They’d naturally be hard to detect, since gravity is so much weaker than the other forces.

    Assuming that the only particles that exist are the ones that happen to be easy for us to detect feels like observer bias.